I would say B but A also looks like it could be an answer. it's not D for sure and they didn't protest each one by throwing tea in the harbor.
When President Truman took a hard line against striking workers in the years immediately following World War II, he:
"had little understanding of the plight of laborers in the post-war years."
During the first months of his administration, he became involved in a struggle between coal miners and railroad workers. It took several meetings, and fierce arguments, to get them to agree, and end the strike.
West Virginia's leading industry, coal, underwent wrenching changes. In the early stages of the Depression, the industry suffered from a virtual collapse as mining companies failed and unemployment grew, leaving once busy coal camps idle and stranding thousands of miners and their families.
C, It led people to question humanism and base modern philosophy on Christian moral principles.
